const webpack = require('webpack');
const {BaseHrefWebpackPlugin} = require('base-href-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const rxPaths = require('rxjs/_esm5/path-mapping');
const MergeJsonWebpackPlugin = require("merge-jsons-webpack-plugin");

const utils = require('./utils.js');

module.exports = (options) => ({
  resolve: {
    extensions: ['.ts', '.js'],
    modules: ['node_modules'],
    alias: {
      app: utils.root('src/main/webapp/app/'),
      ...rxPaths()
    }
  },
  stats: {
    children: false
  },
  module: {
    rules: [
      {
        test: /\.html$/,
        loader: 'html-loader',
        options: {
          minimize: true,
          caseSensitive: true,
          removeAttributeQuotes: false,
          minifyJS: false,
          minifyCSS: false
        },
        exclude: /(src\/main\/webapp\/index.html)/
      },
      {
        test: /\.(jpe?g|png|gif|svg|woff2?|ttf|eot)$/i,
        loader: 'file-loader',
        options: {
          digest: 'hex',
          hash: 'sha512',
          name: 'content/[hash].[ext]'
        }
      },
      {
        test: /manifest.webapp$/,
        loader: 'file-loader',
        options: {
          name: 'manifest.webapp'
        }
      },
      // Ignore warnings about System.import in Angular
      {test: /[\/\\]@angular[\/\\].+\.js$/, parser: {system: true}},
    ]
  },
  plugins: [
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: `'${options.env}'`,
        BUILD_TIMESTAMP: `'${new Date().getTime()}'`,
        VERSION: `'${utils.parseVersion()}'`,
        DEBUG_INFO_ENABLED: options.env === 'development',
        // The root URL for API calls, ending with a '/' - for example: `"https://www.jhipster.tech:8081/myservice/"`.
        // If this URL is left empty (""), then it will be relative to the current context.
        // If you use an API server, in `prod` mode, you will need to enable CORS
        // (see the `jhipster.cors` common JHipster property in the `application-*.yml` configurations)
        SERVER_API_URL: `''`
      }
    }),
    new CopyWebpackPlugin([
      {from: './node_modules/swagger-ui/dist/css', to: 'swagger-ui/dist/css'},
      {from: './node_modules/swagger-ui/dist/lib', to: 'swagger-ui/dist/lib'},
      {from: './node_modules/swagger-ui/dist/swagger-ui.min.js', to: 'swagger-ui/dist/swagger-ui.min.js'},
      {from: './src/main/webapp/swagger-ui/', to: 'swagger-ui'},
      {from: './src/main/webapp/content/', to: 'content'},
      {from: './src/main/webapp/favicon.ico', to: 'favicon.ico'},
      {from: './src/main/webapp/manifest.webapp', to: 'manifest.webapp'},
      // jhipster-needle-add-assets-to-webpack - JHipster will add/remove third-party resources in this array
      {from: './src/main/webapp/robots.txt', to: 'robots.txt'}
    ]),
    new MergeJsonWebpackPlugin({
      output: {
        groupBy: [
          {pattern: "./src/main/webapp/i18n/zh-cn/*.json", fileName: "./i18n/zh-cn.json"}
          // jhipster-needle-i18n-language-webpack - JHipster will add/remove languages in this array
        ]
      }
    }),
    new HtmlWebpackPlugin({
      template: './src/main/webapp/index.html',
      chunks: ['vendors', 'polyfills', 'main', 'global'],
      chunksSortMode: 'manual',
      inject: 'body'
    }),
    new BaseHrefWebpackPlugin({baseHref: '/'})
  ]
});
